Container of mesh faces substituting other faces in the input mesh of 3D algorithm. More...

#include <SMESH_ProxyMesh.hxx>

Inheritance diagram for SMESH_ProxyMesh:

Data Structures
class	SubMesh
	Proxy sub-mesh. More...
Public Types
typedef boost::shared_ptr < SMESH_ProxyMesh >	Ptr
typedef std::map< const SMDS_MeshNode , const SMDS_MeshNode , TIDCompare >	TN2NMap
Public Member Functions
	SMESH_ProxyMesh ()
	Constructor; mesh must be set by a descendant class.
	SMESH_ProxyMesh (std::vector< SMESH_ProxyMesh::Ptr > &components)
	SMESH_ProxyMesh (const SMESH_Mesh &mesh)
virtual	~SMESH_ProxyMesh ()
	Destructor deletes proxy submeshes and tmp elemens.
const SMESHDS_SubMesh *	GetSubMesh (const TopoDS_Shape &face) const
	Returns the submesh of a shape; it can be a proxy sub-mesh.
const SubMesh *	GetProxySubMesh (const TopoDS_Shape &face) const
	Returns the proxy sub-mesh of a shape; it can be NULL.
const SMDS_MeshNode *	GetProxyNode (const SMDS_MeshNode *node) const
	Returns the proxy node of a node; the input node is returned if no proxy exists.
SMDS_ElemIteratorPtr	GetFaces () const
	Returns iterator on all faces of the mesh taking into account substitutions To be used in case of mesh without shape.
SMDS_ElemIteratorPtr	GetFaces (const TopoDS_Shape &face) const
	Returns iterator on all faces on the shape taking into account substitutions.
int	NbFaces () const
	Return total nb of faces taking into account substitutions.
bool	IsTemporary (const SMDS_MeshElement *elem) const
	Return true if the element is a temporary one.
const SMESH_Mesh *	GetMesh () const
SMESHDS_Mesh *	GetMeshDS () const
	Returns mesh DS.
Protected Member Functions
void	setMesh (const SMESH_Mesh &mesh)
int	shapeIndex (const TopoDS_Shape &shape) const
	Returns index of a shape.
SubMesh *	findProxySubMesh (int shapeIndex=0) const
	Returns a proxy sub-mesh.
SubMesh *	getProxySubMesh (int shapeIndex)
	Returns a proxy sub-mesh; it is created if not yet exists.
SubMesh *	getProxySubMesh (const TopoDS_Shape &shape=TopoDS_Shape())
	Returns a proxy sub-mesh; it is created if not yet exists.
bool	takeProxySubMesh (const TopoDS_Shape &shape, SMESH_ProxyMesh *proxyMesh)
	Move proxy sub-mesh from other proxy mesh to this, returns true if sub-mesh found.
void	takeTmpElemsInMesh (SMESH_ProxyMesh *proxyMesh)
	Move tmp elements residing the _mesh from other proxy mesh to this.
void	removeTmpElement (const SMDS_MeshElement *face)
	Removes tmp faces from the _mesh.
void	storeTmpElement (const SMDS_MeshElement *face)
	Stores tmp element residing the _mesh.
void	setNode2Node (const SMDS_MeshNode srcNode, const SMDS_MeshNode proxyNode, const SubMesh *subMesh)
	Set node-node correspondence.
Protected Attributes
std::vector< SMDSAbs_EntityType >	_allowedTypes
Private Attributes
const SMESH_Mesh *	_mesh
std::vector< SubMesh * >	_subMeshes
std::set< const SMDS_MeshElement * >	_elemsInMesh
SubMesh	_subContainer

Detailed Description

Container of mesh faces substituting other faces in the input mesh of 3D algorithm.

Definition at line 45 of file SMESH_ProxyMesh.hxx.

Member Typedef Documentation

typedef boost::shared_ptr<SMESH_ProxyMesh> SMESH_ProxyMesh.Ptr

Definition at line 49 of file SMESH_ProxyMesh.hxx.

typedef std::map<const SMDS_MeshNode*, const SMDS_MeshNode*, TIDCompare > SMESH_ProxyMesh.TN2NMap

Definition at line 51 of file SMESH_ProxyMesh.hxx.

Constructor & Destructor Documentation

SMESH_ProxyMesh::SMESH_ProxyMesh ( )

Constructor; mesh must be set by a descendant class.

Definition at line 39 of file SMESH_ProxyMesh.cxx.

                                :_mesh(0)
{
}

SMESH_ProxyMesh.SMESH_ProxyMesh ( std::vector< SMESH_ProxyMesh::Ptr > & components )

SMESH_ProxyMesh.SMESH_ProxyMesh ( const SMESH_Mesh & mesh )

Definition at line 90 of file SMESH_ProxyMesh.hxx.

References _mesh, and PAL_MESH_041_mesh.mesh.

{ _mesh = &mesh; }

SMESH_ProxyMesh::~SMESH_ProxyMesh ( ) [virtual]

Destructor deletes proxy submeshes and tmp elemens.

Definition at line 100 of file SMESH_ProxyMesh.cxx.

References _elemsInMesh, _subMeshes, GetMeshDS(), and SMESHDS_Mesh.RemoveFreeElement().

{
  for ( unsigned i = 0; i < _subMeshes.size(); ++i )
    delete _subMeshes[i];
  _subMeshes.clear();

  set< const SMDS_MeshElement* >::iterator i = _elemsInMesh.begin();
  for ( ; i != _elemsInMesh.end(); ++i )
    GetMeshDS()->RemoveFreeElement( *i, 0 );
  _elemsInMesh.clear();
}

Member Function Documentation

SMESH_ProxyMesh::SubMesh * SMESH_ProxyMesh::findProxySubMesh ( int shapeIndex = 0 ) const [protected]

Returns a proxy sub-mesh.

Definition at line 353 of file SMESH_ProxyMesh.cxx.

References _subMeshes.

Referenced by StdMeshers_QuadToTriaAdaptor.Compute2ndPart(), GetProxyNode(), and takeProxySubMesh().

{
  return shapeIndex < int(_subMeshes.size()) ? _subMeshes[shapeIndex] : 0;
}

SMDS_ElemIteratorPtr SMESH_ProxyMesh::GetFaces ( const TopoDS_Shape & face ) const

Returns iterator on all faces on the shape taking into account substitutions.

Definition at line 226 of file SMESH_ProxyMesh.cxx.

References _mesh, _subContainer, SMESHDS_SubMesh.AddSubMesh(), GetSubMesh(), SMESH_Mesh.HasShapeToMesh(), and SMESHDS_SubMesh.RemoveAllSubmeshes().

{
  if ( !_mesh->HasShapeToMesh() )
    return SMDS_ElemIteratorPtr();

  _subContainer.RemoveAllSubmeshes();

  TopTools_IndexedMapOfShape FF;
  TopExp::MapShapes( shape, TopAbs_FACE, FF );
  for ( int i = 1; i <= FF.Extent(); ++i )
    if ( const SMESHDS_SubMesh* sm = GetSubMesh( FF(i)))
      _subContainer.AddSubMesh( sm );

  return _subContainer.SMESHDS_SubMesh::GetElements();
}

SMDS_ElemIteratorPtr SMESH_ProxyMesh::GetFaces ( ) const

Returns iterator on all faces of the mesh taking into account substitutions To be used in case of mesh without shape.

Definition at line 249 of file SMESH_ProxyMesh.cxx.

References _allowedTypes, _mesh, _subContainer, _subMeshes, SMESHDS_SubMesh.AddSubMesh(), SMDS_Mesh.elementsIterator(), GetMeshDS(), SMESH_Mesh.HasShapeToMesh(), SMESH_Mesh.NbFaces(), NbFaces(), SMESHDS_SubMesh.NbSubMeshes(), SMESHDS_SubMesh.RemoveAllSubmeshes(), and SMDSAbs_Face.

Referenced by StdMeshers_QuadToTriaAdaptor.Compute(), VISCOUS._ViscousBuilder.inflate(), and VISCOUS._ViscousBuilder.smoothAndCheck().

{
  if ( _mesh->HasShapeToMesh() )
    return SMDS_ElemIteratorPtr();

  _subContainer.RemoveAllSubmeshes();
  for ( unsigned i = 0; i < _subMeshes.size(); ++i )
    if ( _subMeshes[i] )
      _subContainer.AddSubMesh( _subMeshes[i] );

  if ( _subContainer.NbSubMeshes() == 0 ) // no elements substituted
    return GetMeshDS()->elementsIterator(SMDSAbs_Face);

  // if _allowedTypes is empty, only elements from _subMeshes are returned,...
  SMDS_ElemIteratorPtr proxyIter = _subContainer.SMESHDS_SubMesh::GetElements();
  if ( _allowedTypes.empty() || NbFaces() == _mesh->NbFaces() )
    return proxyIter;

  // ... else elements filtered using allowedTypes are additionally returned
  SMDS_ElemIteratorPtr facesIter = GetMeshDS()->elementsIterator(SMDSAbs_Face);
  SMDS_ElemIteratorPtr filterIter( new TFilteringIterator( _allowedTypes, facesIter ));
  vector< SMDS_ElemIteratorPtr > iters(2);
  iters[0] = proxyIter;
  iters[1] = filterIter;
    
  typedef vector< SMDS_ElemIteratorPtr > TElemIterVector;
  typedef SMDS_IteratorOnIterators<const SMDS_MeshElement *, TElemIterVector> TItersIter;
  return SMDS_ElemIteratorPtr( new TItersIter( iters ));
}

const SMESH_Mesh* SMESH_ProxyMesh.GetMesh ( ) const

Definition at line 116 of file SMESH_ProxyMesh.hxx.

References _mesh.

{ return _mesh; }

SMESHDS_Mesh * SMESH_ProxyMesh::GetMeshDS ( ) const

Returns mesh DS.

Definition at line 364 of file SMESH_ProxyMesh.cxx.

References _mesh, and SMESH_Mesh.GetMeshDS().

Referenced by StdMeshers_QuadToTriaAdaptor.Compute2ndPart(), GetFaces(), GetProxyNode(), GetSubMesh(), VISCOUS._ViscousBuilder.MakeN2NMap(), NbFaces(), removeTmpElement(), shapeIndex(), and ~SMESH_ProxyMesh().

{
  return (SMESHDS_Mesh*)( _mesh ? _mesh->GetMeshDS() : 0 );
}

const SMDS_MeshNode * SMESH_ProxyMesh::GetProxyNode ( const SMDS_MeshNode * node ) const

Returns the proxy node of a node; the input node is returned if no proxy exists.

Definition at line 161 of file SMESH_ProxyMesh.cxx.

References _mesh, findProxySubMesh(), SMESH_Mesh.GetAncestors(), GetMeshDS(), SMDS_MeshNode.GetPosition(), SMDS_MeshElement.getshapeId(), SMESH_MesherHelper.GetSubShapeByNode(), SMDS_Position.GetTypeOfPosition(), ex29_refine.node(), SMESH_fixation.shape, shapeIndex(), and SMDS_TOP_FACE.

Referenced by SMESH_MesherHelper.LoadNodeColumns().

{
  const SMDS_MeshNode* proxy = node;
  if ( node->GetPosition()->GetTypeOfPosition() == SMDS_TOP_FACE )
  {
    if ( const SubMesh* proxySM = findProxySubMesh( node->getshapeId() ))
      proxy = proxySM->GetProxyNode( node );
  }
  else
  {
    TopoDS_Shape shape = SMESH_MesherHelper::GetSubShapeByNode( node, GetMeshDS());
    TopTools_ListIteratorOfListOfShape ancIt;
    if ( !shape.IsNull() ) ancIt.Initialize( _mesh->GetAncestors( shape ));
    for ( ; ancIt.More() && proxy == node; ancIt.Next() )
      if ( const SubMesh* proxySM = findProxySubMesh( shapeIndex(ancIt.Value())))
        proxy = proxySM->GetProxyNode( node );
  }
  return proxy;
}

const SMESH_ProxyMesh::SubMesh * SMESH_ProxyMesh::GetProxySubMesh ( const TopoDS_Shape & face ) const

Returns the proxy sub-mesh of a shape; it can be NULL.

Definition at line 149 of file SMESH_ProxyMesh.cxx.

References _subMeshes, and shapeIndex().

Referenced by VISCOUS._ViscousBuilder.MakeN2NMap().

{
  int i = shapeIndex(shape);
  return i < _subMeshes.size() ? _subMeshes[i] : 0;
}

SMESH_ProxyMesh::SubMesh * SMESH_ProxyMesh::getProxySubMesh ( int shapeIndex ) [protected]

Returns a proxy sub-mesh; it is created if not yet exists.

Definition at line 327 of file SMESH_ProxyMesh.cxx.

References _subMeshes.

Referenced by StdMeshers_QuadToTriaAdaptor.Compute(), VISCOUS._MeshOfSolid.getFaceSubM(), and getProxySubMesh().

{
  if ( int(_subMeshes.size()) <= index )
    _subMeshes.resize( index+1, 0 );
  if ( !_subMeshes[index] )
    _subMeshes[index] = new SubMesh( index );
  return _subMeshes[index];
}

SMESH_ProxyMesh::SubMesh * SMESH_ProxyMesh::getProxySubMesh ( const TopoDS_Shape & shape = TopoDS_Shape() ) [protected]

Returns a proxy sub-mesh; it is created if not yet exists.

Definition at line 342 of file SMESH_ProxyMesh.cxx.

References getProxySubMesh(), and shapeIndex().

{
  return getProxySubMesh( shapeIndex( shape ));
}

const SMESHDS_SubMesh * SMESH_ProxyMesh::GetSubMesh ( const TopoDS_Shape & face ) const

Returns the submesh of a shape; it can be a proxy sub-mesh.

Definition at line 129 of file SMESH_ProxyMesh.cxx.

References _subMeshes, GetMeshDS(), SMESHDS_Mesh.MeshElements(), and shapeIndex().

Referenced by StdMeshers_QuadToTriaAdaptor.Compute(), GetFaces(), SMESH_MesherHelper.LoadNodeColumns(), and NbFaces().

{
  const SMESHDS_SubMesh* sm = 0;

  int i = shapeIndex(shape);
  if ( i < _subMeshes.size() )
    sm = _subMeshes[i];
  if ( !sm )
    sm = GetMeshDS()->MeshElements( i );

  return sm;
}

bool SMESH_ProxyMesh::IsTemporary ( const SMDS_MeshElement * elem ) const

Return true if the element is a temporary one.

Definition at line 465 of file SMESH_ProxyMesh.cxx.

References _elemsInMesh, and SMDS_MeshElement.GetID().

Referenced by SMESH_MesherHelper.LoadNodeColumns().

{
  return ( elem->GetID() < 1 ) || _elemsInMesh.count( elem );
}

int SMESH_ProxyMesh::NbFaces ( ) const

Return total nb of faces taking into account substitutions.

Definition at line 285 of file SMESH_ProxyMesh.cxx.

References _allowedTypes, _mesh, _subMeshes, GetMeshDS(), SMDS_Mesh.GetMeshInfo(), SMESH_Mesh.GetShapeToMesh(), GetSubMesh(), SMESH_Mesh.HasShapeToMesh(), SMDS_MeshInfo.NbEntities(), SMDS_Mesh.NbFaces(), SMDSEntity_Quad_Quadrangle, and SMDSEntity_Triangle.

Referenced by GetFaces().

{
  int nb = 0;
  if ( _mesh->HasShapeToMesh() )
  {
    TopTools_IndexedMapOfShape FF;
    TopExp::MapShapes( _mesh->GetShapeToMesh(), TopAbs_FACE, FF );
    for ( int i = 1; i <= FF.Extent(); ++i )
      if ( const SMESHDS_SubMesh* sm = GetSubMesh( FF(i)))
        nb += sm->NbElements();
  }
  else
  {
    if ( _subMeshes.empty() )
      return GetMeshDS()->NbFaces();

    for ( unsigned i = 0; i < _subMeshes.size(); ++i )
      if ( _subMeshes[i] )
        nb += _subMeshes[i]->NbElements();

    // if _allowedTypes is empty, only elements from _subMeshes are returned,
    // else elements filtered using allowedTypes are additionally returned
    if ( !_allowedTypes.empty() )
    {
      for ( int t = SMDSEntity_Triangle; t <= SMDSEntity_Quad_Quadrangle; ++t )
      {
        bool allowed =
          ( find( _allowedTypes.begin(), _allowedTypes.end(), t ) != _allowedTypes.end() );
        if ( allowed )
          nb += GetMeshDS()->GetMeshInfo().NbEntities( SMDSAbs_EntityType( t ));
      }
    }
  }
  return nb;
}

void SMESH_ProxyMesh::removeTmpElement ( const SMDS_MeshElement * face ) [protected]

Removes tmp faces from the _mesh.

Definition at line 415 of file SMESH_ProxyMesh.cxx.

References _elemsInMesh, PAL_MESH_043_3D.face, SMDS_MeshElement.GetID(), GetMeshDS(), and SMESHDS_Mesh.RemoveFreeElement().

Referenced by StdMeshers_QuadToTriaAdaptor.Compute().

{
  if ( face && face->GetID() > 0 )
  {
    set< const SMDS_MeshElement* >::iterator i =  _elemsInMesh.find( face );
    if ( i != _elemsInMesh.end() )
    {
      GetMeshDS()->RemoveFreeElement( face, 0 );
      _elemsInMesh.erase( i );
    }
  }
  else
  {
    delete face;
  }
}

void SMESH_ProxyMesh.setMesh ( const SMESH_Mesh & mesh ) [protected]

Definition at line 124 of file SMESH_ProxyMesh.hxx.

References _mesh, and PAL_MESH_041_mesh.mesh.

Referenced by VISCOUS._MeshOfSolid._MeshOfSolid(), and StdMeshers_QuadToTriaAdaptor.Compute().

{ _mesh = &mesh; }

void SMESH_ProxyMesh::setNode2Node	(	const SMDS_MeshNode *	srcNode,
		const SMDS_MeshNode *	proxyNode,
		const SubMesh *	subMesh
	)		`[protected]`

Set node-node correspondence.

Reimplemented in VISCOUS._MeshOfSolid.

Definition at line 449 of file SMESH_ProxyMesh.cxx.

References SMESH_ProxyMesh.SubMesh._n2n.

Referenced by VISCOUS._MeshOfSolid.setNode2Node().

{
  SubMesh* sm = const_cast<SubMesh*>( subMesh );
  if ( !subMesh->_n2n )
    sm->_n2n = new TN2NMap;
  sm->_n2n->insert( make_pair( srcNode, proxyNode ));
}

int SMESH_ProxyMesh::shapeIndex ( const TopoDS_Shape & shape ) const [protected]

Returns index of a shape.

Definition at line 118 of file SMESH_ProxyMesh.cxx.

References _mesh, GetMeshDS(), SMESH_Mesh.HasShapeToMesh(), and SMESHDS_Mesh.ShapeToIndex().

Referenced by VISCOUS._MeshOfSolid.getFaceSubM(), GetProxyNode(), getProxySubMesh(), GetProxySubMesh(), GetSubMesh(), and takeProxySubMesh().

{
  return ( shape.IsNull() || !_mesh->HasShapeToMesh() ? 0 : GetMeshDS()->ShapeToIndex(shape));
}

void SMESH_ProxyMesh::storeTmpElement ( const SMDS_MeshElement * face ) [protected]

Stores tmp element residing the _mesh.

Definition at line 438 of file SMESH_ProxyMesh.cxx.

References _elemsInMesh.

Referenced by StdMeshers_QuadToTriaAdaptor.Compute().

{
  _elemsInMesh.insert( face );
}

bool SMESH_ProxyMesh::takeProxySubMesh	(	const TopoDS_Shape &	shape,
		SMESH_ProxyMesh *	proxyMesh
	)		`[protected]`

Move proxy sub-mesh from other proxy mesh to this, returns true if sub-mesh found.

Definition at line 375 of file SMESH_ProxyMesh.cxx.

References _mesh, _subMeshes, findProxySubMesh(), and shapeIndex().

Referenced by StdMeshers_QuadToTriaAdaptor.Compute().

{
  if ( proxyMesh && proxyMesh->_mesh == _mesh )
  {
    int iS = shapeIndex( shape );
    if ( SubMesh* sm = proxyMesh->findProxySubMesh( iS ))
    {
      if ( iS >= int(_subMeshes.size()) )
        _subMeshes.resize( iS + 1, 0 );
      _subMeshes[iS] = sm;
      proxyMesh->_subMeshes[iS] = 0;
      return true;
    }
  }
  return false;
}

void SMESH_ProxyMesh::takeTmpElemsInMesh ( SMESH_ProxyMesh * proxyMesh ) [protected]

Move tmp elements residing the _mesh from other proxy mesh to this.

Definition at line 399 of file SMESH_ProxyMesh.cxx.

References _elemsInMesh.

Referenced by StdMeshers_QuadToTriaAdaptor.Compute().

{
  if ( proxyMesh )
  {
    _elemsInMesh.insert( proxyMesh->_elemsInMesh.begin(),
                         proxyMesh->_elemsInMesh.end());
    proxyMesh->_elemsInMesh.clear();
  }
}